On 04/06/2014 01:13 PM, Daniel Colascione wrote:
> On 04/06/2014 12:58 PM, Stefan Monnier wrote:
>>> The pinned bit approach is exactly what I implemented, except that we
>>> walk obarray, like we already do, instead of all symbols.
>>
>> We already walk obarray during the mark phase, so I don't understand
>> what you mean here.
> 
> I meant that, IIUC, you mean to "pin" symbols by adding a pinned bit to
> Lisp_Symbol, then at sweep time, enumerating all symbols in all symbol

Err, at mark time, of course.